The idea of a folding iPhone has circulated the web for quite a while now, with many estimates placing its arrival in 2026. Apple has filed numerous patents, all of which point toward the idea of a folding device, but there hasn’t been anything that pointed toward it being an in-development project rather than just an exploratory probe. Now, new information from a trusted source suggests that could be about to change. Apple has recently entered the “formal development process with display manufacturers,” according to Yeux1122. The tipster says their…